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Replace the old cracked Coolant Reservoir on your 2001-2007 GM 6.6L Duramax with the Dorman 603-125 Coolant Reservoir. Dormans Engine Coolant Recovery Tank is designed for enduring use. It resists the expansion and cracking that extreme temperature fluctuations can cause. Plus, the durable plastic construction prevents coolant fluid loss. FEATURES: Direct Replacement Includes Reservoir Cap Quality Tested For Trouble-Free Performance Cross Reference Numbers: AC Delco Part#: RC98 GM OE Part#: 15085725, 15808714 Non-Direct Cross GM Part#: 15075118
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🇺🇸 Ship from USA · On Agora since 2025
$82.95